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Finding the Fourth Proportional to 354.94, 529.60 and 352.90

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Solution

The fourth proportional to 354.94, 529.60 and 352.90 is: 526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.94 : 529.60 = 352.90 : x
  2. Step 2: Convert to fraction form
    354.94/529.60 = 352.90/x
  3. Step 3: Cross multiply
    354.94x = 529.60 × 352.90
  4. Step 4: Simplify right side
    354.94x = 186,895.84
  5. Step 5: Solve for x
    x = 186,895.84/354.94
  6. Step 6: Final answer
    x = 526.56

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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.