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Finding the Fourth Proportional to 582.40, 874.04 and 293.68

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Solution

The fourth proportional to 582.40, 874.04 and 293.68 is: 440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.40 : 874.04 = 293.68 : x
  2. Step 2: Convert to fraction form
    582.40/874.04 = 293.68/x
  3. Step 3: Cross multiply
    582.40x = 874.04 × 293.68
  4. Step 4: Simplify right side
    582.40x = 256,688.07
  5. Step 5: Solve for x
    x = 256,688.07/582.40
  6. Step 6: Final answer
    x = 440.74

Related Problems

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Half scale
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Double scale
Find fourth proportional to 583.40, 875.54 and 294.68
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.