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Finding the Fourth Proportional to 528.27, 788.27 and 525.23

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Solution

The fourth proportional to 528.27, 788.27 and 525.23 is: 783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.27 : 788.27 = 525.23 : x
  2. Step 2: Convert to fraction form
    528.27/788.27 = 525.23/x
  3. Step 3: Cross multiply
    528.27x = 788.27 × 525.23
  4. Step 4: Simplify right side
    528.27x = 414,016.48
  5. Step 5: Solve for x
    x = 414,016.48/528.27
  6. Step 6: Final answer
    x = 783.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.