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Finding the Fourth Proportional to 595.50, 893.58 and 390.16

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Solution

The fourth proportional to 595.50, 893.58 and 390.16 is: 585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.50 : 893.58 = 390.16 : x
  2. Step 2: Convert to fraction form
    595.50/893.58 = 390.16/x
  3. Step 3: Cross multiply
    595.50x = 893.58 × 390.16
  4. Step 4: Simplify right side
    595.50x = 348,639.17
  5. Step 5: Solve for x
    x = 348,639.17/595.50
  6. Step 6: Final answer
    x = 585.46

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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.