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Finding the Fourth Proportional to 616.25, 924.36 and 205.37

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Solution

The fourth proportional to 616.25, 924.36 and 205.37 is: 308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.25 : 924.36 = 205.37 : x
  2. Step 2: Convert to fraction form
    616.25/924.36 = 205.37/x
  3. Step 3: Cross multiply
    616.25x = 924.36 × 205.37
  4. Step 4: Simplify right side
    616.25x = 189,831.19
  5. Step 5: Solve for x
    x = 189,831.19/616.25
  6. Step 6: Final answer
    x = 308.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.