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Finding the Fourth Proportional to 567.76, 783.80 and 334.96

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Solution

The fourth proportional to 567.76, 783.80 and 334.96 is: 462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.76 : 783.80 = 334.96 : x
  2. Step 2: Convert to fraction form
    567.76/783.80 = 334.96/x
  3. Step 3: Cross multiply
    567.76x = 783.80 × 334.96
  4. Step 4: Simplify right side
    567.76x = 262,541.65
  5. Step 5: Solve for x
    x = 262,541.65/567.76
  6. Step 6: Final answer
    x = 462.42

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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.