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Finding the Fourth Proportional to 995.42, 1,493.10 and 265.01

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Solution

The fourth proportional to 995.42, 1,493.10 and 265.01 is: 397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.42 : 1,493.10 = 265.01 : x
  2. Step 2: Convert to fraction form
    995.42/1,493.10 = 265.01/x
  3. Step 3: Cross multiply
    995.42x = 1,493.10 × 265.01
  4. Step 4: Simplify right side
    995.42x = 395,678.97
  5. Step 5: Solve for x
    x = 395,678.97/995.42
  6. Step 6: Final answer
    x = 397.50

Related Problems

Find fourth proportional to 497.71, 746.55 and 132.50
Half scale
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Double scale
Find fourth proportional to 996.42, 1,494.60 and 266.01
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.