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Finding the Fourth Proportional to 555.03, 766.05 and 334.00

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Solution

The fourth proportional to 555.03, 766.05 and 334.00 is: 460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.03 : 766.05 = 334.00 : x
  2. Step 2: Convert to fraction form
    555.03/766.05 = 334.00/x
  3. Step 3: Cross multiply
    555.03x = 766.05 × 334.00
  4. Step 4: Simplify right side
    555.03x = 255,858.78
  5. Step 5: Solve for x
    x = 255,858.78/555.03
  6. Step 6: Final answer
    x = 460.98

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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.