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Finding the Fourth Proportional to 567.60, 783 and 436.56

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Solution

The fourth proportional to 567.60, 783 and 436.56 is: 602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.60 : 783 = 436.56 : x
  2. Step 2: Convert to fraction form
    567.60/783 = 436.56/x
  3. Step 3: Cross multiply
    567.60x = 783 × 436.56
  4. Step 4: Simplify right side
    567.60x = 341,826.48
  5. Step 5: Solve for x
    x = 341,826.48/567.60
  6. Step 6: Final answer
    x = 602.23

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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.