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Finding the Fourth Proportional to 508.88, 702.60 and 410.72

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Solution

The fourth proportional to 508.88, 702.60 and 410.72 is: 567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.88 : 702.60 = 410.72 : x
  2. Step 2: Convert to fraction form
    508.88/702.60 = 410.72/x
  3. Step 3: Cross multiply
    508.88x = 702.60 × 410.72
  4. Step 4: Simplify right side
    508.88x = 288,571.87
  5. Step 5: Solve for x
    x = 288,571.87/508.88
  6. Step 6: Final answer
    x = 567.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.