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Finding the Fourth Proportional to 670.26, 924.75 and 473.88

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Solution

The fourth proportional to 670.26, 924.75 and 473.88 is: 653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.26 : 924.75 = 473.88 : x
  2. Step 2: Convert to fraction form
    670.26/924.75 = 473.88/x
  3. Step 3: Cross multiply
    670.26x = 924.75 × 473.88
  4. Step 4: Simplify right side
    670.26x = 438,220.53
  5. Step 5: Solve for x
    x = 438,220.53/670.26
  6. Step 6: Final answer
    x = 653.81

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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.