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Finding the Fourth Proportional to 652.12, 977.15 and 359.37

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Solution

The fourth proportional to 652.12, 977.15 and 359.37 is: 538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.12 : 977.15 = 359.37 : x
  2. Step 2: Convert to fraction form
    652.12/977.15 = 359.37/x
  3. Step 3: Cross multiply
    652.12x = 977.15 × 359.37
  4. Step 4: Simplify right side
    652.12x = 351,159.29
  5. Step 5: Solve for x
    x = 351,159.29/652.12
  6. Step 6: Final answer
    x = 538.49

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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.