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Finding the Fourth Proportional to 586.57, 806.93 and 507.29

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Solution

The fourth proportional to 586.57, 806.93 and 507.29 is: 697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.57 : 806.93 = 507.29 : x
  2. Step 2: Convert to fraction form
    586.57/806.93 = 507.29/x
  3. Step 3: Cross multiply
    586.57x = 806.93 × 507.29
  4. Step 4: Simplify right side
    586.57x = 409,344.98
  5. Step 5: Solve for x
    x = 409,344.98/586.57
  6. Step 6: Final answer
    x = 697.87

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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.