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Finding the Fourth Proportional to 586.50, 807.51 and 567.87

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Solution

The fourth proportional to 586.50, 807.51 and 567.87 is: 781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.50 : 807.51 = 567.87 : x
  2. Step 2: Convert to fraction form
    586.50/807.51 = 567.87/x
  3. Step 3: Cross multiply
    586.50x = 807.51 × 567.87
  4. Step 4: Simplify right side
    586.50x = 458,560.70
  5. Step 5: Solve for x
    x = 458,560.70/586.50
  6. Step 6: Final answer
    x = 781.86

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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.