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Finding the Fourth Proportional to 648.52, 895.38 and 473.56

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Solution

The fourth proportional to 648.52, 895.38 and 473.56 is: 653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.52 : 895.38 = 473.56 : x
  2. Step 2: Convert to fraction form
    648.52/895.38 = 473.56/x
  3. Step 3: Cross multiply
    648.52x = 895.38 × 473.56
  4. Step 4: Simplify right side
    648.52x = 424,016.15
  5. Step 5: Solve for x
    x = 424,016.15/648.52
  6. Step 6: Final answer
    x = 653.82

Related Problems

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Half scale
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Double scale
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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.