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Finding the Fourth Proportional to 580.77, 875.50 and 531.52

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Solution

The fourth proportional to 580.77, 875.50 and 531.52 is: 801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.77 : 875.50 = 531.52 : x
  2. Step 2: Convert to fraction form
    580.77/875.50 = 531.52/x
  3. Step 3: Cross multiply
    580.77x = 875.50 × 531.52
  4. Step 4: Simplify right side
    580.77x = 465,345.76
  5. Step 5: Solve for x
    x = 465,345.76/580.77
  6. Step 6: Final answer
    x = 801.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.