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Finding the Fourth Proportional to 670.30, 924.96 and 375.52

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Solution

The fourth proportional to 670.30, 924.96 and 375.52 is: 518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.30 : 924.96 = 375.52 : x
  2. Step 2: Convert to fraction form
    670.30/924.96 = 375.52/x
  3. Step 3: Cross multiply
    670.30x = 924.96 × 375.52
  4. Step 4: Simplify right side
    670.30x = 347,340.98
  5. Step 5: Solve for x
    x = 347,340.98/670.30
  6. Step 6: Final answer
    x = 518.19

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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.