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Finding the Fourth Proportional to 446.32, 615.18 and 336.16

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Solution

The fourth proportional to 446.32, 615.18 and 336.16 is: 463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.32 : 615.18 = 336.16 : x
  2. Step 2: Convert to fraction form
    446.32/615.18 = 336.16/x
  3. Step 3: Cross multiply
    446.32x = 615.18 × 336.16
  4. Step 4: Simplify right side
    446.32x = 206,798.91
  5. Step 5: Solve for x
    x = 206,798.91/446.32
  6. Step 6: Final answer
    x = 463.34

Related Problems

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.