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Finding the Fourth Proportional to 607.52, 837.12 and 483.20

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Solution

The fourth proportional to 607.52, 837.12 and 483.20 is: 665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.52 : 837.12 = 483.20 : x
  2. Step 2: Convert to fraction form
    607.52/837.12 = 483.20/x
  3. Step 3: Cross multiply
    607.52x = 837.12 × 483.20
  4. Step 4: Simplify right side
    607.52x = 404,496.38
  5. Step 5: Solve for x
    x = 404,496.38/607.52
  6. Step 6: Final answer
    x = 665.82

Related Problems

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Half scale
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Double scale
Find fourth proportional to 608.52, 838.50 and 484.20
Similar ratio
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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.