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Finding the Fourth Proportional to 567.37, 783.98 and 472.70

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Solution

The fourth proportional to 567.37, 783.98 and 472.70 is: 653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.37 : 783.98 = 472.70 : x
  2. Step 2: Convert to fraction form
    567.37/783.98 = 472.70/x
  3. Step 3: Cross multiply
    567.37x = 783.98 × 472.70
  4. Step 4: Simplify right side
    567.37x = 370,588.72
  5. Step 5: Solve for x
    x = 370,588.72/567.37
  6. Step 6: Final answer
    x = 653.17

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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.