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Finding the Fourth Proportional to 526.85, 727.35 and 365.45

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Solution

The fourth proportional to 526.85, 727.35 and 365.45 is: 504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.85 : 727.35 = 365.45 : x
  2. Step 2: Convert to fraction form
    526.85/727.35 = 365.45/x
  3. Step 3: Cross multiply
    526.85x = 727.35 × 365.45
  4. Step 4: Simplify right side
    526.85x = 265,810.06
  5. Step 5: Solve for x
    x = 265,810.06/526.85
  6. Step 6: Final answer
    x = 504.53

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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.