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Finding the Fourth Proportional to 595.07, 890.78 and 465.45

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Solution

The fourth proportional to 595.07, 890.78 and 465.45 is: 696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.07 : 890.78 = 465.45 : x
  2. Step 2: Convert to fraction form
    595.07/890.78 = 465.45/x
  3. Step 3: Cross multiply
    595.07x = 890.78 × 465.45
  4. Step 4: Simplify right side
    595.07x = 414,611.22
  5. Step 5: Solve for x
    x = 414,611.22/595.07
  6. Step 6: Final answer
    x = 696.74

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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.