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Finding the Fourth Proportional to 555.92, 767.08 and 334.76

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Solution

The fourth proportional to 555.92, 767.08 and 334.76 is: 461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.92 : 767.08 = 334.76 : x
  2. Step 2: Convert to fraction form
    555.92/767.08 = 334.76/x
  3. Step 3: Cross multiply
    555.92x = 767.08 × 334.76
  4. Step 4: Simplify right side
    555.92x = 256,787.70
  5. Step 5: Solve for x
    x = 256,787.70/555.92
  6. Step 6: Final answer
    x = 461.91

Related Problems

Find fourth proportional to 277.96, 383.54 and 167.38
Half scale
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Double scale
Find fourth proportional to 556.92, 768.46 and 335.76
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.