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Finding the Fourth Proportional to 514.68, 772.08 and 468.24

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Solution

The fourth proportional to 514.68, 772.08 and 468.24 is: 702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.68 : 772.08 = 468.24 : x
  2. Step 2: Convert to fraction form
    514.68/772.08 = 468.24/x
  3. Step 3: Cross multiply
    514.68x = 772.08 × 468.24
  4. Step 4: Simplify right side
    514.68x = 361,518.74
  5. Step 5: Solve for x
    x = 361,518.74/514.68
  6. Step 6: Final answer
    x = 702.41

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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.