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Finding the Fourth Proportional to 580.90, 801.58 and 332.20

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Solution

The fourth proportional to 580.90, 801.58 and 332.20 is: 458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.90 : 801.58 = 332.20 : x
  2. Step 2: Convert to fraction form
    580.90/801.58 = 332.20/x
  3. Step 3: Cross multiply
    580.90x = 801.58 × 332.20
  4. Step 4: Simplify right side
    580.90x = 266,279.21
  5. Step 5: Solve for x
    x = 266,279.21/580.90
  6. Step 6: Final answer
    x = 458.39

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1.5x scale

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.