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Finding the Fourth Proportional to 525.34, 788.16 and 352.67

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Solution

The fourth proportional to 525.34, 788.16 and 352.67 is: 529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.34 : 788.16 = 352.67 : x
  2. Step 2: Convert to fraction form
    525.34/788.16 = 352.67/x
  3. Step 3: Cross multiply
    525.34x = 788.16 × 352.67
  4. Step 4: Simplify right side
    525.34x = 277,960.39
  5. Step 5: Solve for x
    x = 277,960.39/525.34
  6. Step 6: Final answer
    x = 529.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.