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Finding the Fourth Proportional to 555.85, 767.10 and 334.99

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Solution

The fourth proportional to 555.85, 767.10 and 334.99 is: 462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.85 : 767.10 = 334.99 : x
  2. Step 2: Convert to fraction form
    555.85/767.10 = 334.99/x
  3. Step 3: Cross multiply
    555.85x = 767.10 × 334.99
  4. Step 4: Simplify right side
    555.85x = 256,970.83
  5. Step 5: Solve for x
    x = 256,970.83/555.85
  6. Step 6: Final answer
    x = 462.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.