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Finding the Fourth Proportional to 437.60, 652.96 and 365.60

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Solution

The fourth proportional to 437.60, 652.96 and 365.60 is: 545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.60 : 652.96 = 365.60 : x
  2. Step 2: Convert to fraction form
    437.60/652.96 = 365.60/x
  3. Step 3: Cross multiply
    437.60x = 652.96 × 365.60
  4. Step 4: Simplify right side
    437.60x = 238,722.18
  5. Step 5: Solve for x
    x = 238,722.18/437.60
  6. Step 6: Final answer
    x = 545.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.