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Finding the Fourth Proportional to 670.44, 924.57 and 473.34

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Solution

The fourth proportional to 670.44, 924.57 and 473.34 is: 652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.44 : 924.57 = 473.34 : x
  2. Step 2: Convert to fraction form
    670.44/924.57 = 473.34/x
  3. Step 3: Cross multiply
    670.44x = 924.57 × 473.34
  4. Step 4: Simplify right side
    670.44x = 437,635.96
  5. Step 5: Solve for x
    x = 437,635.96/670.44
  6. Step 6: Final answer
    x = 652.76

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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.