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Finding the Fourth Proportional to 374.97, 559.63 and 365.25

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Solution

The fourth proportional to 374.97, 559.63 and 365.25 is: 545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.97 : 559.63 = 365.25 : x
  2. Step 2: Convert to fraction form
    374.97/559.63 = 365.25/x
  3. Step 3: Cross multiply
    374.97x = 559.63 × 365.25
  4. Step 4: Simplify right side
    374.97x = 204,404.86
  5. Step 5: Solve for x
    x = 204,404.86/374.97
  6. Step 6: Final answer
    x = 545.12

Related Problems

Find fourth proportional to 187.49, 279.82 and 182.63
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.