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Finding the Fourth Proportional to 1,062.70, 1,594.25 and 332.22

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Solution

The fourth proportional to 1,062.70, 1,594.25 and 332.22 is: 498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.70 : 1,594.25 = 332.22 : x
  2. Step 2: Convert to fraction form
    1,062.70/1,594.25 = 332.22/x
  3. Step 3: Cross multiply
    1,062.70x = 1,594.25 × 332.22
  4. Step 4: Simplify right side
    1,062.70x = 529,641.74
  5. Step 5: Solve for x
    x = 529,641.74/1,062.70
  6. Step 6: Final answer
    x = 498.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.