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Finding the Fourth Proportional to 500.50, 749.96 and 253.48

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Solution

The fourth proportional to 500.50, 749.96 and 253.48 is: 379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.50 : 749.96 = 253.48 : x
  2. Step 2: Convert to fraction form
    500.50/749.96 = 253.48/x
  3. Step 3: Cross multiply
    500.50x = 749.96 × 253.48
  4. Step 4: Simplify right side
    500.50x = 190,099.08
  5. Step 5: Solve for x
    x = 190,099.08/500.50
  6. Step 6: Final answer
    x = 379.82

Related Problems

Find fourth proportional to 250.25, 374.98 and 126.74
Half scale
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Double scale
Find fourth proportional to 501.50, 751.46 and 254.48
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.