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Finding the Fourth Proportional to 352.26, 526.05 and 348.45

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Solution

The fourth proportional to 352.26, 526.05 and 348.45 is: 520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.26 : 526.05 = 348.45 : x
  2. Step 2: Convert to fraction form
    352.26/526.05 = 348.45/x
  3. Step 3: Cross multiply
    352.26x = 526.05 × 348.45
  4. Step 4: Simplify right side
    352.26x = 183,300.15
  5. Step 5: Solve for x
    x = 183,300.15/352.26
  6. Step 6: Final answer
    x = 520.35

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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.